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Sound Deadners
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[QUOTE="jdc753, post: 12571, member: 52"] Yup like Jason said it is a 2 part system, the dampner for the structural noise and then the air barrier for the air born noises. The stuff you are thinking to work in ONLY the speaker area are products such as Dynaxorb pads, deflex pads, Black Hole 5, and on the cheap, Egg crate foam. The idea behind these products are to disrupt the backwaves from the speaker cone and reflect them in a disruptive manner so that they don't bounce back into the speaker cone and disrupt its travel. Here is a list of the Products I know of on the market (I'm sure I will miss some so feel free to add) Dynamat Products, [url]www.dynamat.com[/url] [URL="http://www.dynamat.com/technical_specs_dynamat_xtreme.html"]Dynamat Xtreme[/URL] Thickness: 0.067" (1.7mm) Foil, 4 mil aluminum Mass: 0.45 lbs/ft^2 Price: Bulk Pack 36 square feet, $310, $8.61 per square foot [URL="http://www.dynamat.com/technical_specs_dynaliner.html"]Dynaliner[/URL], available in thicknesses of 1/8", 1/4" and 1/2" it comes pre backed with a sticky side just like the deadener, peel the wax paper and apply it, while most other air barriers need a spray glue to hold it down. Combination of open and closed cell foam. Price: 1 sheet 1/8" thick 12 ft^2 $75, $6.25 per square foot Second Skin Audio (Damplifier Pro, Overkill Pro and Luxury Liner Pro), [url]www.secondskinaudio.com[/url] [URL="http://www.secondskinaudio.com/vibration-mat/damplifier-pro.php#tab5"] Damplifier Pro[/URL], most similar to Dynamat Xtreme Thickness: 2mm, 6.5mil black aluminum foil Mass: 0.6lbs/ft^2 Price: Bulk Pack 36.5 ft^2 $186, $5.09 per square foot Overkill Pro, most similar to dynaliner and Ensolite, closed cell foam) Price: 1 sheet 3/8" thick 9ft^2 $33, $3.67 per square foot RAAMaudio (Raamat BXT, ensolite), [url]http://www.raamaudio.com/[/url] [URL="http://www.raamaudio.com/index.php?page=shop.product_details&flypage=flypage.tpl&product_id=19&category_id=1&option=com_virtuemart&Itemid=3"]Raamat BXT[/URL] Thickness: 0.06" (6mils), 4mils aluminum foil Mass: 0.52 lbs/ft^2 Price: Bulk Pack, 37.5ft^2 $90, $2.4 per square foot Ensolite, Price: sold by the yard, 14 ft^2 per yard, $12 per yard, $0.85 per square foot. Fatmat, [url]www.fatmat.com[/url] B-Quiet, [url]www.b-quiet.com[/url] B-Quiet Ultimate Thickness: 60mils Mass: 0.35 lbs/ft^2 Price: 50ft^2 roll, $130, $2.6 per square foot Stinger, [url]http://www.stingerelectronics.com/[/url] Roadkill, Thickness: 0.08" (80mils) 6mils Aluminum foil Mass: 0.65 lbs/ft^2 Price: 36 ft^2 Bulk Pack, $219, $6.08 per square foot Hushmat, [url]www.hushmat.com[/url] Basically what it comes down too is how much mass can you add for your dollar. The foil thickness and the butyl thickness comes into play but essentially what you are looking for is mass. In my own truck I have Raam BXT, Damplifier Pro and Second Skin SPL tiles. I personally like the Damplifier pro due to its specs per dollar, but in a blind test it would be quite hard to tell the difference between the damp pro and BXT. I have also installed a ton of Dynamat Xtreme in a friends truck and would say it feels (cuts) just like Damplifier pro. I really like the dynaliner due to the fact you can get it in bigger thicknesses 1/2" would be nice on the roof and back wall to get as much as you can. Some great further reading, [URL="[url]http://www.diymobileaudio.com/forum/diyma-member-build-logs/57626-ultimate-sound-deadening-more-08-tundra.html[/url]"]ultimate-sound-deadening-more-08-tundra[/URL] [URL="[url]http://www.buwaldahybrids.com/phpBB3/viewtopic.php?t=2076[/url]"]Sound Deadening 101[/URL] [URL="[url]http://www.buwaldahybrids.com/phpBB3/viewtopic.php?f=20&t=2687[/url]"]Sound Deadening 201[/URL] The install in my friends Cummins, all dynamat products thanks to his sponsorship, [/QUOTE]
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